Home / 21,213,950.66-29,275,444.95-12,841,512.83

Finding the Fourth Proportional to 21,213,950.66, 29,275,444.95 and 12,841,512.83

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Solution

The fourth proportional to 21,213,950.66, 29,275,444.95 and 12,841,512.83 is: 17,721,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,213,950.66 : 29,275,444.95 = 12,841,512.83 : x
  2. Step 2: Convert to fraction form
    21,213,950.66/29,275,444.95 = 12,841,512.83/x
  3. Step 3: Cross multiply
    21,213,950.66x = 29,275,444.95 × 12,841,512.83
  4. Step 4: Simplify right side
    21,213,950.66x = 375,941,001,929,383.69
  5. Step 5: Solve for x
    x = 375,941,001,929,383.69/21,213,950.66
  6. Step 6: Final answer
    x = 17,721,404.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.